The till is presumably made in part of preglacial soils, but it is more largely composed of rock waste mechanically comminuted by the crccpiiig ice sheets; although the crystalline rocks from Canada and some of the more resistant stratified rocks south of the Great Lakes occur as boulders and stones
Sand is by itself of little value except for striking cuttings, for which purpose fine clean sharp silver sand is the best; and a somewhat coarser kind, if it is gritty, is to be preferred to the comminuted sands which contain a large proportion of earthy matter.
The great plain extends, with an almost unbroken surface, from the most western to the most eastern extremity of British India, and is composed of deposits so finely comminuted, that it is no exaggeration to say that it is possible to go from the Bay of Bengal up the Ganges, through the Punjab, and
Several techniques have been reported in canine. However, there is no consensus method for fixation of comminuted fracture of the mandible when dealing with bone loss. A canine patient with..查看文章
Rabin SI. In Severely Comminuted Intercondylar-Supracondylar Distal Femur Fractures, Use the Device That Fits. MedGenMed 1(3), 1999 [formerly published in Medscape Orthopaedics & Sports Medi..查看文章
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